import axios from 'axios'
import store from '@/store'
import { getToken } from '@/utils/auth'

export const url = process.env.VUE_APP_BASE_API + '/product/upload'
// create an axios instance
const service = axios.create( {
    baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
    // withCredentials: true, // send cookies when cross-domain requests
    timeout: 5000 // request timeout
} )

// request interceptor
service.interceptors.request.use(
    config => {
        // do something before request is sent

        if (store.user().token) {
            // let each request carry token
            // ['X-Token'] is a custom headers key
            // please modify it according to the actual situation
            config.headers['X-Token'] = getToken()
        }
        return config
    },
    error => {
        // do something with request error
        console.log( error ) // for debug
        return Promise.reject( error )
    }
)

// response interceptor
service.interceptors.response.use(
    /**
     * If you want to get http information such as headers or status
     * Please return  response => response
     */

    /**
     * Determine the request status by custom code
     * Here is just an example
     * You can also judge the status by HTTP Status Code
     */
    response => {
        const res = response.data
        // if the custom code is not 20000, it is judged as an error.
        if (res.code && res.code !== 20000) {
            ElMessage( {
                message: res.message || 'Error',
                type: 'error',
                duration: 5 * 1000
            } )

            // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
            if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
                // to re-login
                ElMessageBox.confirm( 'You have been logged out, you can cancel to stay on this page, or log in again', 'Confirm logout', {
                    confirmButtonText: 'Re-Login',
                    cancelButtonText: 'Cancel',
                    type: 'warning'
                } ).then( () => {
                    store.user().resetToken()
                    location.reload()
                } )
            }
            return Promise.reject( new Error( res.message || 'Error' ) )
        } else {
            return res
        }
    },
    error => {
        const response = error.response
        console.log( 'err' + response )
        ElMessage.error( response.data )
        return Promise.reject( error )
    }
)

export default service
